1. Encircle the letter of the correct answer. (Week 1-2) 1. It is a polynomial equation of degree two that can be written in the form of ax2 + bx + c = 0, where a, b, and care real number and a 60 a.Linear equation b.Linear Inequality Quadratic Equation d. Quadratic Inequality 2. Which of the following is quadratic equation? a. 2x2 + 3x + 6 = 0 b. 4t - 7 = 0 c. 2m3-m2 = 4 d. 4x2 -2x < 0 3. In the quadratic equation 3x2 + 8x -5 = 0, which is the quadratic term? a. 3x2 b.-5 C. 8x d. -3x2 4. How many real roots does the quadratic equation 3x2 + 8x -5 = 0 have? a. 1 b.3 c. 2. d. o 5. What is the value of a in equation -5x2 + 2x-5 = 0 a.-5 b.5 c. 2 d. -5​